#include<iostream>
using namespace std;
class people {
public:
	int age;
	int hight;
	int weight;
	void eatting(int &weight)
	{
		weight = weight + 1;

	}
	void sproting(int &hight)
	{
		hight = hight + 1;
		
	}

	void sleeping(int &age)
	{
		age = age + 1;
		
	}
	void display() {
		cout << "weight:" << weight << "\n";
		cout << "hight:" << hight << "\n";
		cout << "age:" << age << "\n";
	}

}; people peo1;
int main() {
	
	peo1.weight = 1;
	peo1.hight = 2;
	peo1.age = 3;
	peo1.eatting(peo1.weight);
	peo1.sproting(peo1.hight);
	peo1.sleeping(peo1.age);
	peo1.display();

}